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Article: German Inventor Develops Thermoplastic Material Granulation Device
- Article from:
- US Fed News Service, Including US State News
- Article date:
- November 28, 2007
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ALEXANDRIA, Va., Nov. 28 -- Willfried Koehler of Grossostheim, Germany, has developed a thermoplastic material granulation device.
According to the U.S. Patent & Trademark Office: "The invention relates to a device for granulating thermoplastic materials with a die plate and a rotary cutter head, said rotary cutter head carrying cutter knives and being positioned in front of said die plate in a water chamber, said rotary cutter head being centered by means of a rocker bearing and being connected in rotationally fixed manner to an axially displaceable drive shaft through a torque transmitting element, the torque transmitting element being in the form of a tubular slotted spring ...